Home / 14,246.10-21,374.01-12,622.86

Finding the Fourth Proportional to 14,246.10, 21,374.01 and 12,622.86

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Solution

The fourth proportional to 14,246.10, 21,374.01 and 12,622.86 is: 18,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.10 : 21,374.01 = 12,622.86 : x
  2. Step 2: Convert to fraction form
    14,246.10/21,374.01 = 12,622.86/x
  3. Step 3: Cross multiply
    14,246.10x = 21,374.01 × 12,622.86
  4. Step 4: Simplify right side
    14,246.10x = 269,801,135.87
  5. Step 5: Solve for x
    x = 269,801,135.87/14,246.10
  6. Step 6: Final answer
    x = 18,938.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.